<template>
	<view>
		<!--my-search :bgcolor="'pink'" :radius="3"></my-search>-->
		<my-search @click="gotoSearch"></my-search>
		<view class="scroll-view-container">
			<scroll-view class="left-scroll-view" scroll-y="true" :style="{height: wh + 'px'}">
				<block v-for="(item,i) in cateList" :key="i">
					<view :class="['left-scroll-view-item',i === active ? 'active' : '']" @click="activeChanged(i)">{{item.cat_name}}</view>
				</block>
			</scroll-view>
			<scroll-view scroll-y="true" :style="{height: wh + 'px'}" :scroll-top="scrollTop">
				<view class="cate-lv2" v-for="(item2,i2) in cateLevel2" :key="i2">
					<view class="cate-lv2-title">
						/ {{item2.cat_name}} /
					</view>
					<view class="cate-lv3-list">
						<view class="cate-lv3-item" v-for="(item3,i3) in item2.children" :key="i3" @click="gotoGoodsList(item3)">
							<image :src="item3.cat_icon.replace('ugo-dev','hmugo-web')"></image>
							<text>{{item3.cat_name}}</text>
						</view>
					</view>
				</view>
			</scroll-view>
		</view>
	</view>
</template>

<script>
	import badgeMix from '@/mixins/tabbar-badge.js'
	export default {
		mixins: [badgeMix],
		data() {
			return {
				wh: 0,
				cateList: [],
				active: 0,
				cateLevel2: [],
				scrollTop: 0
			};
		},
		onLoad() {
			const sysInfo = uni.getSystemInfoSync()
			this.wh = sysInfo.windowHeight - 50
			this.getCateList()
		},
		methods: {
			async getCateList(){
				const {data: res} = await uni.$http.get('/api/public/v1/categories')
				if(res.meta.status !== 200) return uni.$showMsg()
				this.cateList = res.message
				this.cateLevel2 = res.message[0].children
			},
			activeChanged(i) {
				this.active = i
				this.cateLevel2 = this.cateList[i].children
				
				this.scrollTop = this.scrollTop === 0 ? 1 : 0
				
			},
			gotoGoodsList(item3) {
			  uni.navigateTo({
			    url: '/subpkg/goods_list/goods_list?cid=' + item3.cat_id
			  })
			},
			gotoSearch() {
				uni.navigateTo({
				       url: '/subpkg/search/search'
			})
		}
	}
}
</script>

<style lang="scss">
.scroll-view-container {
	display: flex;
}
.left-scroll-view {
	width: 120px;

.left-scroll-view-item {
	background-color: #F7F7F7;
	line-height: 60px;
	text-align: center;
	font-size: 12px;
	&.active {
		background-color: #FFFFFF;
		position: relative;
		&::before {
			content: ' ';
			display: block;
			width: 3px;
			height: 30px;
			background-color: #C00000;
			position: absolute;
			top: 50%;
			left: 0;
			transform: translateY(-50%);
			
			}
		}
	}
}
.cate-lv2-title {
	font-size: 12px;
	font-weight: bold;
	text-align: center;
	padding: 15px 0;
}
.cate-lv3-list {
	display: flex;
	flex-wrap: wrap;
	.cate-lv3-item {
		width: 33.33%;
		display: flex;
		flex-direction: column;
		justify-content: center;
		align-items: center;
		margin-bottom: 10px;
		image {
			width: 60px;
			height: 60px;
		}
		text {
			font-size: 12px;
		}
	}
}
</style>
